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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

An individual affected by xeroderma pigmentosum An individual affected by xeroderma pigmentosum
Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Infants can segment adult speech into individual words.  Infants can segment adult speech into individual words. 
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
How to calculate credit card interest when the interest is compounded How to calculate credit card interest when the interest is compounded
Determine the nominal annual rate of interest of the following ordinary general annuity. Determine the nominal annual rate of interest of the following ordinary general annuity.
Video: Hormonal regulation of pregnancy - week 1

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